* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


body,
html {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Poppins', sans-serif;
}

/* 全屏 Loading 遮罩 */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    /* 纯白背景 */
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    font-weight: bold;
    color: black;
    z-index: 9999;
    transition: opacity 1s ease-out, visibility 1s ease-out;
}

/* 隐藏 loading 画面 */
#loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

#heartCanvas {
    width: 210px;
    height: 210px;
    display: block;
}

/* Loading 文字 */
.loading-text {
    text-align: center;
}


/* 添加白色蒙版 */
section::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    z-index: 1;
}

/* 居中文字 */
.overlay-div {
    width: 100%;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgb(255, 255, 255);
    z-index: 2;
    text-align: center;
    vertical-align: middle;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.overlay-text {
    font-weight: bold;
    font-size: 5vw;
}

.small-font {
    font-size: 2vw;
}

section {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}


section {
    width: 100%;
    /* margin: 3vw auto; */
}

h1 {
    text-align: center;
    margin-bottom: 3vw;
    font-size: 3vw;
    text-transform: capitalize;
}

/* .images-gallery {
    display: flex;
    flex-wrap: wrap;
    overflow-y: hidden;
    height: 100vh;
    position: relative;
} 
*/



.images-gallery {
    display: flex;
    align-items: flex-start;
    /* 让列的高度根据内容变化 */
    overflow: hidden;
    /* 隐藏滚动条 */
    height: 100vh;
}

.column {
    flex-grow: 1;
    width: 33.3333%;
}

.column img {
    width: 100%;
    display: block;
}

.column:nth-child(odd) {
    padding-right: 0.1vw;
    padding-left: 0.1vw;
}

.column div {
    margin-top: 0.1vw;
    margin-bottom: 0.1vw;
}

@media screen and (max-width: 768px) {
    .overlay-text {
        font-size: 7vw;
    }
}

@media screen and (max-width: 576px) {
    .overlay-text {
        font-size: 8vw;
    }
}